申请人 |
SCHLUMBERGER CANADA LIMITED;SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER HOLDINGS LIMITED;SCHLUMBERGER TECHNOLOGY B.V.;PRAD RESEARCH AND DEVELOPMENT LIMITED;BASMAJIAN, ARIN;SWENSON, BRAD;WHITSITT, JOHN, R. |
发明人 |
BASMAJIAN, ARIN;SWENSON, BRAD;WHITSITT, JOHN, R. |